ताम्रपादयुक्तं रूप्यं रूप्यपादयुक्तं वा सुवर्णं संस्कृतकम् तस्माद् रक्षेत् ॥ कZ_०२.१३.४२ ॥
tāmra-pāda-yuktaṃ rūpyaṃ rūpya-pāda-yuktaṃ vā suvarṇaṃ saṃskṛtakam tasmād rakṣet
带铜足的银,或带银足的金,属于“加工/处理过的”(复合)物品;因此应加以严密保管(以防欺诈)。
Mixed-metal construction can disguise substitution at joints/bases; it is easier to skim precious metal while keeping appearance.